这些结果明确揭示了肿瘤细胞的双向分化特征，进一步支持该瘤间皮起源的观点。

These observations exhibited a obvious biphasic differentiated (epithelial and mesenchymal) nature of tumor cells, and indicated that adenomatoid tumors were of mesothelial origin.

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结论：具有血管生成拟态的双向分化恶性肿瘤恶性度高、血道转移早、临床预后差。

Conclusion: Tumors with vasculogenic mimicry have a high-grade malignancy, early blood metastasis and poor clinical prognosis.

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目的：分析262例双向分化恶性肿瘤临床资料及免疫组织化学染色的结果。

Objective:To investigate the clinical data and immunohistochemical results of in262cases with bi-directional differential malignant tumors.

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